Dual Nature of Radiation and Matter Test

Result

Dual Nature of Radiation and Matter Test - 70

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Weekly Quiz Competition

Question 1
4 / -1

Assertion In photoelectric effect, on increasing the intensity of light, both the number of electrons emitted and kinetic energy of each of them get increased but photoelectric current remains unchanged.
Reason The photoelectric current depends only on wavelength of light.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false

E
If Assertion is false but Reason is true
Question 2
4 / -1

Assertion Standard optical diffraction can not be used for discriminating between different X-ray wavelengths.
Reason The grating spacing is not of the order of X-ray wavelengths

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

Solution
Question 3
4 / -1

Assertion The threshold frequency of photoelectric effect supports the particle nature of sunlight.
Reason If frequency of incident light is less than the threshold frequency, electrons are not emitted from metal surface.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

C
If Assertion is true but Reason is false

D
If the Assertion and Reason both are false

E
If Assertion is false but Reason is true

Solution
Question 4
4 / -1

Assertion In photoemissive cell inert gas is used.
Reason Inert gas in the photoemissive cell gives greater current.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

C
If Assertion is true but Reason is false

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 5
4 / -1

Assertion X-rays cannot be diffracted by means of grating.
Reason X-rays do not obey Bragg\'s law.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

C
If Assertion is true but Reason is false

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true
Question 6
4 / -1

Assertion X-rays can penetrate through the flesh but not through the bones.
Reason The penetrating power of X-rays depends on voltage.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

C
If Assertion is true but Reason is false

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true
Question 7
4 / -1

Assertion Intensity of X-rays can be controlled by adjusting the filament current and voltage.
Reason The intensity of X-rays does not depend on number of X-ray photons emitted per second from the target.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 8
4 / -1

Assertion Soft and hard X-rays differ in frequency as well as velocity.
Reason The penetrating power of hard X-rays is more than the penetrating power of soft X-rays.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false

E
If Assertion is false but Reason is true
Question 9
4 / -1

Assertion Penetrating power of X-rays increases with the increasing the wavelength.
Reason The penetrating power of X-rays increases with the frequency of X-rays.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false

E
If Assertion is false but Reason is true.
Question 10
4 / -1

Assertion X-rays are used for studying the structure of crystals.
Reason The distance between the atoms of crystals is of the order of wavelength of X-rays.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true

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Re-Attempt Weekly Quiz Competition

Dual Nature of Radiation and Matter Test - 70

Result

Dual Nature of Radiation and Matter Test - 70

Score

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SHARING IS CARING

Question 1

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

If Assertion is true but Reason is false.

If the Assertion and Reason both are false

If Assertion is false but Reason is true

Question 2

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Solution

Question 3

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

If Assertion is true but Reason is false

If the Assertion and Reason both are false

If Assertion is false but Reason is true

Solution

Question 4

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

If Assertion is true but Reason is false

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 5

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

If Assertion is true but Reason is false

If the Assertion and Reason both are false.

If Assertion is false but Reason is true

Question 6

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

If Assertion is true but Reason is false

If the Assertion and Reason both are false.

If Assertion is false but Reason is true

Question 7

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 8

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

If Assertion is true but Reason is false.

If the Assertion and Reason both are false

If Assertion is false but Reason is true

Question 9

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false

If Assertion is false but Reason is true.

Question 10

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false

If the Assertion and Reason both are false.

If Assertion is false but Reason is true

User

Question Analysis

My Perfomance

Score

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Rank

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